National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mackinac Island Airport (KMCD)

Lat: 45.87°NLon: 84.63°WElev: 738ft.

Fair

64°F

18°C

Humidity 83%
Wind Speed S 8 mph
Barometer 29.96 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Aug 3:15 am EDT
Extended Forecast for

Mackinac Island MI

  • Overnight

    Overnight: Mostly clear, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Southwest wind 10 to 15 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Increasing clouds, with a low around 62. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of thunderstorms before 8am. Cloudy through mid morning, then gradual clearing, with a high near 75. Northeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 10%.

    High: 75 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. North wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 62. South wind around 5 mph.
Tuesday
Sunny, with a high near 79. Southwest wind 10 to 15 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Increasing clouds, with a low around 62. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 70%.
Wednesday
A slight chance of thunderstorms before 8am. Cloudy through mid morning, then gradual clearing, with a high near 75. Northeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 10%.
Wednesday Night
Mostly cloudy, with a low around 60. North wind around 5 mph.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 64.
Sunday
A chance of showers. Partly sunny, with a high near 77.
Sunday Night
A chance of showers. Partly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mackinac Island MI
 45.86°N 84.62°W (Elev. 768 ft)
Last Update:
3:11 am EDT Aug 4, 2026
Forecast Valid:
3am EDT Aug 4, 2026-6pm EDT Aug 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation